forked from GNUsocial/gnu-social
		
	
		
			
				
	
	
		
			111 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			111 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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/*
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 * This file is part of the Symfony package.
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 *
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 * (c) Fabien Potencier <fabien@symfony.com>
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 */
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namespace Symfony\Component\Validator\Constraints;
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use Symfony\Component\Validator\Constraint;
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use Symfony\Component\Validator\ConstraintValidator;
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use Symfony\Component\Validator\Context\ExecutionContextInterface;
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use Symfony\Component\Validator\Exception\UnexpectedTypeException;
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/**
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 * Validates whether a value is a valid IP address.
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 *
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 * @author Bernhard Schussek <bschussek@gmail.com>
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 * @author Joseph Bielawski <stloyd@gmail.com>
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 */
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class IpValidator extends ConstraintValidator
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{
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    /**
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     * {@inheritdoc}
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     */
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    public function validate($value, Constraint $constraint)
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    {
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        if (!$constraint instanceof Ip) {
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            throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Ip');
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        }
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        if (null === $value || '' === $value) {
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            return;
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        }
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        if (!is_scalar($value) && !(\is_object($value) && method_exists($value, '__toString'))) {
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            throw new UnexpectedTypeException($value, 'string');
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        }
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        $value = (string) $value;
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        switch ($constraint->version) {
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            case Ip::V4:
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               $flag = FILTER_FLAG_IPV4;
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               break;
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            case Ip::V6:
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               $flag = FILTER_FLAG_IPV6;
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               break;
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            case Ip::V4_NO_PRIV:
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               $flag = FILTER_FLAG_IPV4 | FILTER_FLAG_NO_PRIV_RANGE;
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               break;
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            case Ip::V6_NO_PRIV:
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               $flag = FILTER_FLAG_IPV6 | FILTER_FLAG_NO_PRIV_RANGE;
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               break;
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            case Ip::ALL_NO_PRIV:
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               $flag = FILTER_FLAG_NO_PRIV_RANGE;
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               break;
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            case Ip::V4_NO_RES:
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               $flag = FILTER_FLAG_IPV4 | FILTER_FLAG_NO_RES_RANGE;
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               break;
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            case Ip::V6_NO_RES:
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               $flag = FILTER_FLAG_IPV6 | FILTER_FLAG_NO_RES_RANGE;
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               break;
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            case Ip::ALL_NO_RES:
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               $flag = FILTER_FLAG_NO_RES_RANGE;
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               break;
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            case Ip::V4_ONLY_PUBLIC:
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               $flag = FILTER_FLAG_IPV4 | FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE;
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               break;
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            case Ip::V6_ONLY_PUBLIC:
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               $flag = FILTER_FLAG_IPV6 | FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE;
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               break;
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            case Ip::ALL_ONLY_PUBLIC:
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               $flag = FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE;
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               break;
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            default:
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                $flag = null;
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                break;
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        }
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        if (!filter_var($value, FILTER_VALIDATE_IP, $flag)) {
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            if ($this->context instanceof ExecutionContextInterface) {
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                $this->context->buildViolation($constraint->message)
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                    ->setParameter('{{ value }}', $this->formatValue($value))
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                    ->setCode(Ip::INVALID_IP_ERROR)
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                    ->addViolation();
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            } else {
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                $this->buildViolation($constraint->message)
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                    ->setParameter('{{ value }}', $this->formatValue($value))
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                    ->setCode(Ip::INVALID_IP_ERROR)
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                    ->addViolation();
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            }
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        }
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    }
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}
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